Autoweek has a nice article about the Chrysler siren with a video.
http://www.autoweek.com/article/20130808/CARNEWS01/130809890?utm_source=DailyDrive20130808&utm_medium=enewsletter&utm_term=article8&utm_content=20130808-Chrysler-percent27s-Cold-Warrior&utm_campaign=awdailydrive
http://www.autoweek.com/article/20130808/CARNEWS01/130809890?utm_source=DailyDrive20130808&utm_medium=enewsletter&utm_term=article8&utm_content=20130808-Chrysler-percent27s-Cold-Warrior&utm_campaign=awdailydrive